Restart request (R20)
Configures the restart request retransmission count, which is the number of unacknowledged restart requests to attempt before giving up and turning over recovery to higher layers. The default is 1, and the range is 1 to 255.
Reset request (R22)
Configures the reset request retransmission count, which is the number of unsuccessful reset requests to attempt before giving up and issuing a restart request. The default is 1, and the range is 1 to 255.
Clear request (R23)
Configures the clear request retransmission count, which is the number of unsuccessful clear requests to attempt before giving up and issuing a restart request. The default is 1, and the range is 1 to 255.